Finding the Third Proportional to 300,124.50 and 457,809.75
Calculator
Solution
The third proportional to 300,124.50 and 457,809.75 is: 698,342.75
Step by Step Solution
- Step 1: Write the proportion equation
300,124.50 : 457,809.75 = 457,809.75 : x - Step 2: Convert to fraction form
300,124.50/457,809.75 = 457,809.75/x - Step 3: Cross multiply
300,124.50x = 457,809.75 × 457,809.75 - Step 4: Simplify right side
300,124.50x = 209,589,767,195.06 - Step 5: Solve for x
x = 209,589,767,195.06/300,124.50 - Step 6: Final answer
x = 698,342.75
Related Problems
Find third proportional to 150,062.25 and 228,904.88
Half scale
Find third proportional to 600,249 and 915,619.50
Double scale
Find third proportional to 300,127 and 457,813
Similar ratio
Find third proportional to 450,186.75 and 686,714.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.